Determination of the enthalpy of foods by an adiabatic calorimeter.

Author(s) : PHAM Q. T., WEE H. K., KEMP R. M., LINDSAY D. T.

Type of article: Article

Summary

The authors report enthalpy values over the temperature range -40 to 40 deg C for 27 types of food (meat, fats, offals, butter, fish, peas, kiwifruit and processed meat) determined by an adiabatic calorimeter. Some of the enthalpy values are for foods that have never before been studied, while values for others extend the range of data currently available. They compared their enthalpy change values for lean lamb, lean beef and Tylose during chilling and freezing with literature values and found that the data agreed within 10% in all but one case. They also found that Schwartzberg's model applied not only to water-rich foods, but also to some foods that have low moisture content. The latter foods probably consist of a mixture of an approximately ideal solution and inert solids.

Details

Original title: Determination of the enthalpy of foods by an adiabatic calorimeter.
Record ID : 1994-3527
Languages: English
Source: J. Food Eng. - vol. 21 - n. 2
Publication date: 1994
Document available for consultation in the library of the IIR headquarters only.

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Indexing

Themes: Chilling of foodstuffs;
Freezing of foodstuffs
Keywords: Food; Chilled food; Calorimeter; Measurement; Frozen food; Enthalpy